Anion recognition in water by a rotaxane containing a secondary rim functionalised cyclodextrin stoppered axle

Chem Commun (Camb). 2015 Mar 14;51(21):4499-502. doi: 10.1039/c5cc00171d.

Abstract

The synthesis of a water soluble [2]rotaxane is reported using hydrophilic secondary rim functionalised permethylated β-cyclodextrin derivatives as the axle stopper groups. The rotaxane recognises halide anions in pure water with impressive selectivity over sulfate.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Anions / chemistry
  • Cyclodextrins / chemistry*
  • Hydrogen / chemistry
  • Rotaxanes / chemical synthesis
  • Rotaxanes / chemistry*
  • Sulfates / chemistry
  • Water / chemistry

Substances

  • Anions
  • Cyclodextrins
  • Rotaxanes
  • Sulfates
  • heptakis(2,3,6-tri-O-methyl)cyclomaltoheptaose
  • Water
  • Hydrogen